Bag opener



FIG. 1 is a front elevation view of a bag opener showing my new design;

FIG. 2 is a left side elevation view of the bag opener, a right side elevation view being a mirror image thereof;

FIG. 3 is a top view of the bag opener;

FIG. 4 is a bottom view of the bag opener; and,

FIG. 5 is a bottom perspective view of the bag opener. 

CLAIM The ornamental design for a bag opener, as shown and described. 